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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/gpu/GrContext.h"
- #include "include/gpu/GrTexture.h"
- #include "src/gpu/GrContextPriv.h"
- #include "src/gpu/GrRenderTargetContext.h"
- #include "src/gpu/GrShaderCaps.h"
- #include "src/gpu/GrSurfacePriv.h"
- #include "src/gpu/GrTextureContext.h"
- #include "src/gpu/GrTexturePriv.h"
- #include "src/gpu/GrTextureProxyPriv.h"
- #include "src/gpu/gl/GrGLGpu.h"
- #include "src/gpu/gl/GrGLUtil.h"
- #include "tests/Test.h"
- #include "tests/TestUtils.h"
- #include "tools/gpu/GrContextFactory.h"
- #include "tools/gpu/gl/GLTestContext.h"
- using sk_gpu_test::GLTestContext;
- static void cleanup(GLTestContext* glctx0, GrGLuint texID0, GLTestContext* glctx1,
- sk_sp<GrContext> grctx1, GrBackendTexture* backendTex1,
- GrEGLImage image1) {
- if (glctx1) {
- glctx1->makeCurrent();
- if (grctx1) {
- if (backendTex1 && backendTex1->isValid()) {
- grctx1->deleteBackendTexture(*backendTex1);
- }
- }
- if (GR_EGL_NO_IMAGE != image1) {
- glctx1->destroyEGLImage(image1);
- }
- }
- glctx0->makeCurrent();
- if (texID0) {
- GR_GL_CALL(glctx0->gl(), DeleteTextures(1, &texID0));
- }
- }
- DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(EGLImageTest, reporter, ctxInfo) {
- GrContext* context0 = ctxInfo.grContext();
- sk_gpu_test::GLTestContext* glCtx0 = ctxInfo.glContext();
- // Try to create a second GL context and then check if the contexts have necessary
- // extensions to run this test.
- if (kGLES_GrGLStandard != glCtx0->gl()->fStandard) {
- return;
- }
- GrGLGpu* gpu0 = static_cast<GrGLGpu*>(context0->priv().getGpu());
- if (!gpu0->glCaps().shaderCaps()->externalTextureSupport()) {
- return;
- }
- std::unique_ptr<GLTestContext> glCtx1 = glCtx0->makeNew();
- if (!glCtx1) {
- return;
- }
- sk_sp<GrContext> context1 = GrContext::MakeGL(sk_ref_sp(glCtx1->gl()));
- GrBackendTexture backendTexture1;
- GrEGLImage image = GR_EGL_NO_IMAGE;
- GrGLTextureInfo externalTexture;
- externalTexture.fID = 0;
- if (!context1) {
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- if (!glCtx1->gl()->hasExtension("EGL_KHR_image") ||
- !glCtx1->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) {
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- ///////////////////////////////// CONTEXT 1 ///////////////////////////////////
- // Use GL Context 1 to create a texture unknown to GrContext.
- context1->flush();
- static const int kSize = 100;
- backendTexture1 =
- context1->createBackendTexture(kSize, kSize, kRGBA_8888_SkColorType,
- SkColors::kTransparent,
- GrMipMapped::kNo, GrRenderable::kNo, GrProtected::kNo);
- if (!backendTexture1.isValid()) {
- ERRORF(reporter, "Error creating texture for EGL Image");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- GrGLTextureInfo texInfo;
- if (!backendTexture1.getGLTextureInfo(&texInfo)) {
- ERRORF(reporter, "Failed to get GrGLTextureInfo");
- return;
- }
- if (GR_GL_TEXTURE_2D != texInfo.fTarget) {
- ERRORF(reporter, "Expected backend texture to be 2D");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- // Wrap the texture in an EGLImage
- image = glCtx1->texture2DToEGLImage(texInfo.fID);
- if (GR_EGL_NO_IMAGE == image) {
- ERRORF(reporter, "Error creating EGL Image from texture");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- // Since we are dealing with two different GL contexts here, we need to call finish so that the
- // clearing of the texture that happens in createTextingOnlyBackendTexture occurs before we call
- // TexSubImage below on the other context. Otherwise, it is possible the calls get reordered and
- // the clearing overwrites the TexSubImage writes.
- GR_GL_CALL(glCtx1->gl(), Finish());
- // Populate the texture using GL context 1. Important to use TexSubImage as TexImage orphans
- // the EGL image. Also, this must be done after creating the EGLImage as the texture
- // contents may not be preserved when the image is created.
- SkAutoTMalloc<uint32_t> pixels(kSize * kSize);
- for (int i = 0; i < kSize*kSize; ++i) {
- pixels.get()[i] = 0xDDAABBCC;
- }
- GR_GL_CALL(glCtx1->gl(), ActiveTexture(GR_GL_TEXTURE0));
- GR_GL_CALL(glCtx1->gl(), BindTexture(texInfo.fTarget, texInfo.fID));
- GR_GL_CALL(glCtx1->gl(), TexSubImage2D(texInfo.fTarget, 0, 0, 0, kSize, kSize,
- GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, pixels.get()));
- GR_GL_CALL(glCtx1->gl(), Finish());
- // We've been making direct GL calls in GL context 1, let GrContext 1 know its internal
- // state is invalid.
- context1->resetContext();
- ///////////////////////////////// CONTEXT 0 ///////////////////////////////////
- // Make a new texture ID in GL Context 0 from the EGL Image
- glCtx0->makeCurrent();
- externalTexture.fTarget = GR_GL_TEXTURE_EXTERNAL;
- externalTexture.fID = glCtx0->eglImageToExternalTexture(image);
- externalTexture.fFormat = GR_GL_RGBA8;
- if (0 == externalTexture.fID) {
- ERRORF(reporter, "Error converting EGL Image back to texture");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- // Wrap this texture ID in a GrTexture
- GrBackendTexture backendTex(kSize, kSize, GrMipMapped::kNo, externalTexture);
- backendTex.setPixelConfig(kRGBA_8888_GrPixelConfig);
- // TODO: If I make this TopLeft origin to match resolve_origin calls for kDefault, this test
- // fails on the Nexus5. Why?
- sk_sp<GrTextureContext> surfaceContext = context0->priv().makeBackendTextureContext(
- backendTex, kBottomLeft_GrSurfaceOrigin, GrColorType::kRGBA_8888, kPremul_SkAlphaType,
- nullptr);
- if (!surfaceContext) {
- ERRORF(reporter, "Error wrapping external texture in GrSurfaceContext.");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- return;
- }
- GrTextureProxy* proxy = surfaceContext->asTextureProxy();
- REPORTER_ASSERT(reporter, proxy->mipMapped() == GrMipMapped::kNo);
- REPORTER_ASSERT(reporter, proxy->peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo);
- REPORTER_ASSERT(reporter, proxy->textureType() == GrTextureType::kExternal);
- REPORTER_ASSERT(reporter,
- proxy->peekTexture()->texturePriv().textureType() == GrTextureType::kExternal);
- REPORTER_ASSERT(reporter, proxy->hasRestrictedSampling());
- REPORTER_ASSERT(reporter, proxy->peekTexture()->texturePriv().hasRestrictedSampling());
- // Should not be able to wrap as a RT
- {
- sk_sp<GrRenderTargetContext> temp = context0->priv().makeBackendTextureRenderTargetContext(
- backendTex, kBottomLeft_GrSurfaceOrigin, 1, GrColorType::kRGBA_8888, nullptr);
- if (temp) {
- ERRORF(reporter, "Should not be able to wrap an EXTERNAL texture as a RT.");
- }
- }
- test_read_pixels(reporter, surfaceContext.get(), pixels.get(), "EGLImageTest-read");
- // We should not be able to write to a EXTERNAL texture
- test_write_pixels(reporter, surfaceContext.get(), false, "EGLImageTest-write");
- // Only test RT-config
- // TODO: why do we always need to draw to copy from an external texture?
- test_copy_from_surface(reporter, context0, surfaceContext->asSurfaceProxy(),
- GrColorType::kRGBA_8888, pixels.get(), "EGLImageTest-copy");
- cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
- }
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